1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022
speech act	influence	issue	access	properties	project	building	massively	expressions	treatment	processor	tree adjoining	plan	lr	parallel text	compound	finite state	lr	referential	management	cross - language information retrieval	constraint - base	discriminative training	maximum entropy	kernels	use semantic	partially	online learning	subjectivity	expectation	hierarchical phrase - base translation	unsupervised semantic	acl	refer expression generation	joint inference	recursive neural	deep neural networks	skip	interpret	capsule	pair extraction	dialogue summarization	prompt
management	linguistics	natural language interface	database	formal	syntactic analysis	sharing	plan	semantic information	experience	treatment	unification	phrase structure	syntactic analysis	bilingual corpora	tree adjoining grammars	utterances	disambiguate	automata	production	corpus - base	interpret	reference resolution	machine learning	channel	tell	field	context - sensitive	phoneme conversion	system combination	very large	morpheme	person	walk	tensor	semantic representations	convolutional neural network	native language	memory networks	rewards	probing	attacks	prompting
question - answer	computer	production	technical	mathematical	simulation	line	synthesis	machine translation system	engine	lexical semantics	processor	logical form	semantic analysis	variables	partial	definite	unsupervised learning	linguistically	terminology	attachment	topological	transducers	combining	synthesis	morphological disambiguation	utterances	improve statistical machine translation	results	search query	wsd	dual decomposition	markov models	decipherment	segmentation use	recurrent neural network	essay scoring	sequence learning	ability	contextualized word	neural topic	privacy	training for neural machine translation
dialect	future	aspects	standard	tree adjoining grammars	design	definite	tree adjoining grammars	center	definite	unification - base	speech act	lr	bound	use semantic	procedure	lexicalized	automate	transducers	automatic acquisition	korean	text segmentation	hmm	channel	perceptron	opinions	wsd	semantic relatedness	refining	web search	letter	projections	approximate	text normalization	correct	expressions	semantic models	typology	architectures	self - attention	graph attention	fine - tuning	contrastive learning
indirect	communication	component	acl	definite	machine translation system	tree adjoining grammars	processor	structure analysis	tree adjoining grammars	expressions	tree adjoining grammars	add	transducer	automatic acquisition	tagging use	phonological	morphological disambiguation	tagger	processor	other	machine learning	co - training	spoken dialogue systems	alternative	clarification	similarities	topic segmentation	letter	engine	plot	exact	empirical investigation	dual decomposition	papers	distributional semantics	neural word	negative sampling	sentence embedding	adversarial learning	persona	rationale	constituency parsing
perception	semantic analysis	artificial	issue	treatment	computer	letter	assignment	unification grammar	clause	location	collocations	processor	rewriting	tailor	tabular	word translation	tree adjoining grammars	markov models	co - occurrence	cross - language	rule - base	match	entropy	lr	derive	comparable corpora	utility	idiom	binarization	dirichlet	relaxation	relate	morphologically	solution	convolutional neural networks	level sentiment classification	read comprehension	neural architecture	multi - head	mask	few - shot learning	inspire
difference	simulation	interface	design	natural language interface	production	movement	experimental	compositional semantics	polynomial	speech act	morpheme	automatic acquisition	ellipsis	unification - base	markov model	non - parallel	chart	nlp applications	automatic extraction	decision	maximum entropy	perceptron	rules	semantic analysis	protein	transliteration	use semantic	em	phoneme conversion	phrase - base translation	phrase - base translation	background	maximization	add	characters	attention model	side	improve event	shot text classification	nmt	pretrained language model	pretraining
purpose	parameters	strategies	experience	partially	conceptual	repair	copy	natural language interface	interpretation	engine	represent	collocations	instructions	functional	unification grammar	uniform	context - sensitive	finite state	lexicalized	determine	statistics	conversational systems	gap	mathematical	disambiguate	topological	semantic information	regular	letter	practical	markov models	timeline	recognition use	unified model	constituent parsing	low - resource languages	attention model	cross - domain sentiment classification	neural cross - lingual	gender bias	reliability	pre - train language models
comments	speech act	experimental	solution	talk	linguistically	assignment	center	categorial	regular	automatic acquisition	polynomial	compose	efficiency	repair	indirect	tree adjoining grammars	tabular	multi - word	sets	noun phrase	phoneme conversion	overcome	shallow	question answering use	associations	perspectives	deterministic	alignment model	co - training	context - sensitive	translation models	technical	microblog	recall	word representation	entity type	neural relation extraction	how much	device	multilingual models	out - of - distribution	overcome
papers	linear - time	database	salience	technique	environment	binary	categorial	phrase structure	core	ambiguous	unification grammar	ambiguity	corner	reliability	benefit	automate	cues	evolution	de	lexical semantics	similar	definite	pronoun resolution	simulation	learning for text	dictionaries	transliteration	topic segmentation	combination	opinions	reorder	say	binarization	dependency tree	transition - base dependency parsing	lstm	argument mining	neural semantic	level sentiment classification	visually ground	lifelong	fine - grained entity

Evolution of title of long ACL papers. Each column shows terms distinctive to a year. Size indicates frequency; order characteristicness.